Gutter sewer cap



FIG. 1 is a top plan view of a gutter sewer cap showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a bottom plan view thereof; and

FIG. 4 is a cross-sectional view taken along line 4--4 of FIG. 1. 

The ornamental design for a gutter sewer cap, as shown and described. 